I confirm the above statement. Also tried Fedora 21 rawhide (with kernel
3.16) and the bug is still present.
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Title:
8086:0116 [Dell
I also tried latest fedora, arch and suse, and the same problem
persists.
So it must be a kernel problem and not something debian-based.
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https://bugs.launchpad.net/bugs/1229
Just a pastebin of xorg that might bve of assistance.
http://paste.ubuntu.com/7582689/
As you will see it says:
intel(0): found backlight control interface acpi_video0 (type
'firmware')
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Also, the brightness keys work when I am in the Grub Menu !!!
That is, before loading the OS.
What could be wrong after loading the OS ???
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Just to add another piece of information.
The brightness function keys work just fine when I am in BIOS.
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Title:
8086:0116 [Dell In
Hi. I have the exact same intel card id (8086:0116), but my Dell is the n411z.
I am facing the same probelm with the latest ubuntu kernels i.e. my brightness
function keys do not work with 13.10 and 14.04 (i.e. kernels 3.11 and 3.13).
Whilst these keys worked perfectly till 13.04.
More info can
Also more info about the problem:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1229591
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Title:
backlight brightness not adjus
Just another piece of information I would like to add.
As I said, I have ubuntu 14.04 installed with kernel 3.13.
I have downloaded from here:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.2.59-precise/ the latest 3.2
kernel and installed it.
More specifically I downloaded and installed the
*** This bug is a duplicate of bug 1229591 ***
https://bugs.launchpad.net/bugs/1229591
rpgmaker, can you also follow the discussion in:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1229591
Do you know how to bisect a kernel...?
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Apologies, I cannot do it. It's too dificult for me. I tried various things and
almost made my system inoperable.
I hope devs can solve it with the info and terminal results already provided.
Otherwise, if anyone has more knowledge on these things, he is free to try.
Last working kernel was 3.10.0
I have also sent the email to intel-...@lists.freedesktop.org
I got a reply from Jani Nikula as per below:
"A bisect result on upstream kernel pointing at the regression might be
useful... although we've changed the code considerably since 3.14."
And from Daniel Vetter as per below.
"Yeah, if t
I have sent the email with all the info to Mr Matthew Garret at
mj...@srcf.ucam.org.
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Title:
8086:0116 [Dell Inspiron 14z (N411z)] D
Hi, Thanx for your reply.
Could you please be a little more specific?
To whom should I send/mail all the info I will gather from the terminal
commands/results when using the latest 3.15 kernel?
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Just tried kernel 3.15 rc3, but unfortunately the brightness functions
keys (Fn+F4 and Fn+F5) still do not work.
Any comments/ideas regarding my previous post?
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Thank you for your reply. I will test kernel 3.15 and revert with news
(probably later on today).
In the meantime and after reading various reported bugs, I came accross this
one:
http://www.aristofunnies.gr/wp-content/uploads/2010/12/photo-12.jpeg
It regards dell xps13, but refers to the exact
I installed today kernel 3.14.1. The problem is still present.
I have not tried yet kernel 3.15 as it is in a very early (RC2) stage
yet.
I have also tried hundreds of grub parameters and conf files inside X11
(following the ARCH wiki here: https://wiki.archlinux.org/index.php/backlight)
but s
I made a clean installation of 14.04 yesterday but unfortunately the
problem with the brightness keys is still present.
Have there been any developments as regards isolating the culprit?
It is very strange considering that the keys worked just fine up to
13.04 and kernel 3.8.
I don't know if it
Thank you. Please see here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1280394
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Title:
8086:0116 [Dell Inspiron 14z (N411z
Just tried kernel 3.14.0-031400rc2 but unfortunately the bug is still present.
The brightness function keys do not work.
(not even the volume function keys work - Fn+F11 and Fn+F12)
** Tags added: kernel-bug-exists-upstream
** Description changed:
Brightness keys Fn+F4 and Fn+F5 (decrease and
Public bug reported:
Brightness keys Fn+F4 and Fn+F5 (decrease and increase brightness) do not work
on 13.10 and 14.04.
On 12.04 (up to 12.04.3) and 13.04 worked ok.
That is, up to ubuntu repository kernel 3.8 the brightness keys worked ok.
On ubuntu repository kernels 3.11 and 3.13, the bright
Hi. Thanx for your reply.
Since I have exactly the same laptop with the same GPU (id 8086:0116) would it
be better just to keep updating this bug report and provide additional info?
(rather than opening a new bug report?)
I could provide additional info by running:
apport-collect -p linux #12295
Just to add that I have today updated my BIOS to the latest available
for my laptop (I had A02 and I updated to A06), however the brightness
function keys still don't work.
So we will have to wait for a fix to be included in a newer kernel.
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I have exactly the same problem and exactly the same laptop. I would be
very very happy to see this fixed at least for 14.04.
I have 14.04 installed right now on this laptop but I still have the same
problem with the function keys.
In case you need to do any tests in 14.04 release, please let me
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